1988030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 4136832

約数和(自身を除く): 2148802

約数列:

[1, 2, 5, 10, 11, 22, 31, 53, 55, 62, 106, 110, 121, 155, 242, 265, 310, 341, 530, 583, 605, 682, 1166, 1210, 1643, 1705, 2915, 3286, 3410, 3751, 5830, 6413, 7502, 8215, 12826, 16430, 18073, 18755, 32065, 36146, 37510, 64130, 90365, 180730, 198803, 397606, 994015, 1988030]

約数ペア:

[(1, 1988030), (2, 994015), (5, 397606), (10, 198803), (11, 180730), (22, 90365), (31, 64130), (53, 37510), (55, 36146), (62, 32065), (106, 18755), (110, 18073), (121, 16430), (155, 12826), (242, 8215), (265, 7502), (310, 6413), (341, 5830), (530, 3751), (583, 3410), (605, 3286), (682, 2915), (1166, 1705), (1210, 1643)]